Functional role of a purple acid phosphatase in Arabidopsis thaliana

Sun, Feng; 孙峰,

doi:10.5353/th_b4647701

Cited by 1 publication

(2 citation statements)

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“…It was reported that GAPs related to cell wall architecture were mainly expressed in xylem vessels and adjacent parenchyma cells and then functioned in secondary wall deposition (Loopstra and No, 2000 ; Dahiya et al, 2006 ; Dai, 2015 ). In addition, the expression of EXPA4 and GAP s was positively related to the cell wall thickness, with GAP s also showing a positive correlation with the content of cellulose (Sun, 2013 ; Ben-Tov et al, 2015 ; Mcnair, 2015 ; Ren et al, 2019 ).…”

Section: Discussionmentioning

confidence: 99%

“…High temperature decreased the expression of OsGAP18 , leading to a thinner cell wall (Zhao et al, 2020 ), while several GAP s were prominently upregulated during cold acclimation (Daisuke et al, 2016 ) and nitrogen supply (Engelsberger and Schulze, 2012 ). Expansin (EXP) also plays significant role in root architecture, and the expression of EXPAs could be induced under cold acclimation, water stress, and higher application of fertilizer (Bian, 2006 ; Kozbial et al, 2010 ; Li et al, 2013 , 2019b ; Sun, 2013 ; Han et al, 2014 ; Ren et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

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Increasing Expression of PnGAP and PnEXPA4 Provides Insights Into the Enlargement of Panax notoginseng Root Size From Qing Dynasty to Cultivation Era

Hua

Liao

et al. 2022

Front. Plant Sci.

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Root size is a key trait in plant cultivation and can be influenced by the cultivation environment. However, physical evidence of root size change in a secular context is scarce due to the difficulty in preserving ancient root samples, and how they were modified during the domestication and cultivation stays unclear. About 100 ancient root samples of Panax notoginseng, preserved as tribute in the Palace Museum (A.D. 1636 to 1912, Qing dynasty), provided an opportunity to investigate the root size changes during the last 100 years of cultivation. The dry weight of ancient root samples (~120 tou samples, tou represents number of roots per 500 g dry weight) is 0.22-fold of the modern samples with the biggest size (20 tou samples). Transcriptome analysis revealed that PnGAP and PnEXPA4 were highly expressed in 20 tou samples, compared with the 120 tou samples, which might contribute to the thicker cell wall and a higher content of lignin, cellulose, and callose in 20 tou samples. A relatively lower content of dencichine and higher content of ginsenoside Rb1 in 20 tou samples are also consistent with higher expression of ginsenoside biosynthesis-related genes. PnPHL8 was filtrated through transcriptome analysis, which could specifically bind the promoters of PnGAP, PnCYP716A47, and PnGGPPS3, respectively. The results in this study represent the first physical evidence of root size changes in P. notoginseng in the last 100 years of cultivation and contribute to a comprehensive understanding of how the cultivation environment affected root size, chemical composition, and clinical application.

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